Premium MMA Training Shorts for MMA Grappling, Kids and Adult sizes Size Chart: Please check size chart in attached photos. Color: Black/Grey stripes. Loose fit grappling short made from of polyester fabric. Super stretch flex panel. Great for training and competition. Shorts also include bi-directional adjustable waistband system with internal drawstring. Full cut to accommodate protective cup, with 6" split outseams Adjustable waistband design, and internal drawstring that provides secure fit, reducing shifting during ground fighting.